159705401615 has 8 divisors (see below), whose sum is σ = 192441697008. Its totient is φ = 127234177920.

The previous prime is 159705401591. The next prime is 159705401623. The reversal of 159705401615 is 516104507951.

159705401615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159705401615 - 2²⁸ = 159436966159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66266597 + ... + 66269006.

It is an arithmetic number, because the mean of its divisors is an integer number (24055212126).

Almost surely, 2^159705401615 is an apocalyptic number.

159705401615 is a deficient number, since it is larger than the sum of its proper divisors (32736295393).

159705401615 is a wasteful number, since it uses less digits than its factorization.

159705401615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132535849.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 159705401615 in words is "one hundred fifty-nine billion, seven hundred five million, four hundred one thousand, six hundred fifteen".